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Glass welded glass composite vacuum plate and production method
The invention discloses a glass welded glass composite vacuum plate. The vacuum plate comprises a panel, a connecting layer and a vacuum cavity, and is characterized in that the panel is made from a glass panel, the panel and the vacuum cavity are integrally connected by the connecting layer, the panel and/or the connecting layer are used for providing additional strength to the vacuum cavity to ensure the smoothness of the vacuum cavity at barometric pressure, and the vacuum cavity is formed by welding low carbon steel plates by virtue of a glass solder in a vacuum furnace at high vacuum and high temperature; the coefficients of thermal expansion of the low carbon steel plates and the glass solder are matched, and a support is arranged in the vacuum cavity and is separately made or directly formed in the vacuum cavity. A production method provided by the invention is simple in process, the defects of an existing insulation board and a vacuum insulated panel can be overcome, the air-tightness of the vacuum cavity of the glass composite vacuum plate can be effectively ensured, the service life of the glass composite vacuum plate can be prolonged, and the strength, heat insulation, sound insulation and fire resistance can be enhanced.
Glass welded glass composite vacuum plate and production method
The invention discloses a glass welded glass composite vacuum plate. The vacuum plate comprises a panel, a connecting layer and a vacuum cavity, and is characterized in that the panel is made from a glass panel, the panel and the vacuum cavity are integrally connected by the connecting layer, the panel and/or the connecting layer are used for providing additional strength to the vacuum cavity to ensure the smoothness of the vacuum cavity at barometric pressure, and the vacuum cavity is formed by welding low carbon steel plates by virtue of a glass solder in a vacuum furnace at high vacuum and high temperature; the coefficients of thermal expansion of the low carbon steel plates and the glass solder are matched, and a support is arranged in the vacuum cavity and is separately made or directly formed in the vacuum cavity. A production method provided by the invention is simple in process, the defects of an existing insulation board and a vacuum insulated panel can be overcome, the air-tightness of the vacuum cavity of the glass composite vacuum plate can be effectively ensured, the service life of the glass composite vacuum plate can be prolonged, and the strength, heat insulation, sound insulation and fire resistance can be enhanced.
Glass welded glass composite vacuum plate and production method
DAI CHANGHONG (author)
2015-07-01
Patent
Electronic Resource
English
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